Sapna S., N., S. A., S., K. P., S. and Aravind M. V., S. 2021. Challenges in treating patients with foreign bodies in hypopharynx and esophagus: our experience in a tertiary care hospital. International Journal of Otorhinolaryngology and Head and Neck Surgery. 7, 10 (Sep. 2021), 1660–1667. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20213902.